Deuteronomy 23:3; Nehemiah 13:1

kNo Ammonite or Moabite may enter the assembly of the Lord. Even to the tenth generation, none of them may enter the assembly of the Lord forever,


Nehemiah's Final Reforms

13 On that day rthey read from the Book of Moses in the hearing of the people. And in it was found written sthat no Ammonite or Moabite should ever enter the assembly of God,